⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Hypnum cordifolium in version 1.1 of The Plant List.

Hypnum cordifolium var. richardsonii (Mitt.) Husn. is a synonym of Calliergon richardsonii (Mitt.) Kindb.

This name is a synonym of Calliergon richardsonii (Mitt.) Kindb..

The record derives from Tropicos which reports it as a synonym (record 35104365) with original publication details: Musc. France, Mousses 585 585 1884.